NPPES file of Aug 9, 2026

Sieger Giroux, M.S, R.D., L.D.N

Registered Dietitian · Marion, IL

Sieger Giroux, M.S, R.D., L.D.N is a registered dietitian with a practice address in Marion, Illinois, and NPI 1568816577, issued on Apr 15, 2016. Check the license (Illinois 164.006797, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568816577
Name
Sieger Giroux
Credential
M.S, R.D., L.D.N
Primary taxonomy
Registered Dietitian 133V00000X
License number
164.006797 IL
Self-reported in NPPES; status is on the state search
Practice location
2401 W Main St, Marion, IL 62959
Phone
(618) 997-5311
Enumerated
Apr 15, 2016
Record last updated
Apr 15, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(618) 997-8253
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 2,870 in Illinois → Look up another NPI →

Also registered at 2401 W Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shawna Adams, NPFamily Nurse Practitioner1770242109
  2. Deborah Alcorn, LCSWClinical Social Worker1447448220
  3. Shabia Alimohamed-Janmohamed, PH.DPsychologist1922302488
  4. Barbara AlvisOther Technician1780383349
  5. Ashley Amberger, LCSWClinical Social Worker1912605684
  6. Lanita AmesRegistered Nurse1326734823

Verify Sieger Giroux in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 164.006797    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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Sieger Giroux among 2,870 registered dietitian records in Illinois

Sieger Giroux, M.S, R.D., L.D.N is one of 2,870 registered dietitian records with a practice address in Illinois. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 43% of them.

  • NPI issued2016 · 43% of these records are older, 53% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2016 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 registered dietitian records list a practice address in Marion

They are 18 of the 1,171 NPPES records with a practice address in Marion, and 2,870 registered dietitian records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,870 in Illinois → Every provider in Marion → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Brian CarrollMarion, IL 629591558789479
  2. Ruth Converse, RDMarion, IL 629591699722611
  3. Gage Fink, RD, RDNMarion, IL 629591427650332
  4. Lauren Hocking, RD, CLCMarion, IL 629591740531375
  5. Melaina Lane, MS, RD, LDNMarion, IL 629591487946497
  6. Cathy Ludwig Bell, PHD. RD, LDMarion, IL 629591760550339
  7. Michele Martin, RDMarion, IL 629591730440322
  8. Loran Morris, M.S., R.D., L.D.N.Marion, IL 629591023415619

Common questions

What is Sieger Giroux, M.S, R.D., L.D.N's NPI number?

Sieger Giroux, M.S, R.D., L.D.N's National Provider Identifier (NPI) is 1568816577, issued on Apr 15, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sieger Giroux, M.S, R.D., L.D.N located?

The NPPES record lists a practice address at 2401 W Main St, Marion, IL, 62959. Phone: (618) 997-5311. Providers update this record themselves, so call before visiting.

How can I verify Sieger Giroux, M.S, R.D., L.D.N's license?

NPPES lists Illinois license number 164.006797, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.